<%@ page contentType="text/html;charset=gb2312" %>
<%
    String sa = request.getParameter("A");
    String sb = request.getParameter("B");
    Integer ia = Integer.parseInt(sa);
    Integer ib = Integer.parseInt(sb);
    Integer ic = ia + ib;
%>
<html>
<head><title>A+B</title></head>
<body>
<%=ia%>+
<%=ib%>=
<%out.println(ic);%>
</body>
</html>
